1439473 has 12 divisors (see below), whose sum is σ = 1733940. Its totient is φ = 1190112.

The previous prime is 1439447. The next prime is 1439513. The reversal of 1439473 is 3749341.

It can be written as a sum of positive squares in 2 ways, for example, as 247009 + 1192464 = 497^2 + 1092^2 .

It is not a de Polignac number, because 1439473 - 2⁹ = 1438961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1439413) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 915 + ... + 1927.

It is an arithmetic number, because the mean of its divisors is an integer number (144495).

2^1439473 is an apocalyptic number.

It is an amenable number.

1439473 is a deficient number, since it is larger than the sum of its proper divisors (294467).

1439473 is a wasteful number, since it uses less digits than its factorization.

1439473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1056 (or 1049 counting only the distinct ones).

The product of its digits is 9072, while the sum is 31.

The square root of 1439473 is about 1199.7803965726. The cubic root of 1439473 is about 112.9105460630.

The spelling of 1439473 in words is "one million, four hundred thirty-nine thousand, four hundred seventy-three".